07/20/20

Please Answer Quickly
Flex saved $160 more than Jack.2/3 of Jack's savings was the same as 3/7 of Flex's Savings. How much did Flex save?
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07/20/20

In the laboratory, a student dilutes 26.8 mL of a 7.23 M hydrobromic acid solution to a total volume of 150.0 mL. What is the concentration of the diluted solution?
Concentration = ?  M
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07/20/20

Please answer quickly
Logan saved 60 quarters and dimes altogether.1/2 of his quarters and the same as 1/3 of his dimes how much money did he save.
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07/19/20

How many moles of  NaOH  are present in 26.5 mL  of  0.100M NaOH?

How many moles of NaOH are present in 26.5 mL of 0.100M NaOH?moles:
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07/19/20

Chemistry and TEAS 101
What is the mass of the precipitate formed when 50ml of 12% solution of AgNO3 is mixed with 50 ml of 6.7% solution of NaCl?
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07/18/20

What volume of 0.812M HCl is required to titrate 1.33g of NaOH to the endpoint?
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07/18/20

How many moles of ammonium ions are in 10.0g of ammonium phosphate

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07/16/20

what should be the length and the width of the field in feet?
A farmer needs to fence a rectangular piece of land. She wants the length of the field to be 90 feet longer than the width. If she has 1,220 feet of fencing material, what should be the length and... more
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07/16/20

A plane flying at its maximum speed can go 220 miles per hour with a tailwind or 140 miles per hour into a headwind.
A plane flying at its maximum speed can go 220 miles per hour with a tailwind or 140 miles per hour into a headwind.What is the wind speed (in miles per hour)?What would be the maximum speed of the... more
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07/16/20

A moving sidewalk at an airport moves at a rate of 1.7 ​ft/sec. Walking on the moving​ sidewalk, a person travels 104 ft forward in the time it takes to travel 52 ft in the opposite direction
A moving sidewalk at an airport moves at a rate of 1.7 ​ft/sec. Walking on the moving​ sidewalk, a person travels 104 ft forward in the time it takes to travel 52 ft in the opposite direction. How... more
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07/16/20

A new photocopier works 2 times as fast as an old one. When the machines work​ together, a university can produce all its staff manuals in 28hr.
A new photocopier works 2 times as fast as an old one. When the machines work​ together, a university can produce all its staff manuals in 28hr. Find the time it would take each​ machine,... more
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07/16/20

The speed of a passenger train is 6 mph faster than the speed of a freight train. The passenger train travels 270 miles in the same time it takes the freight train to travel 240 miles.

The speed of a passenger train is 6 mph faster than the speed of a freight train. The passenger train travels 270 miles in the same time it takes the freight train to travel 240 miles. Find the... more
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07/13/20

Chemistry help with

chemist titrates a 25.00 mL sample of 0.1191 M benzoic acid (C6H5COOH) against a 0.1000 M solution of NaOH. The overall reaction is shown by the equation below: What volume of NaOH solution (in mL)... more
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07/11/20

What is the reaction between phenol and dimethyl ammonium chloride?
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07/08/20

Thermosetting and Thermoplastic

1.) What is the type of bonding within the polymer for thermosetting?2.) What is the type of bonding within the polymer for thermoplastic?3.) What is the type of bonding between polymer chains for... more
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04/22/20

Chemistry question on net ionic equations! Not sure how to write it
What is the salt/ppt equation for AgNO3, Ag2SO4, BaCl2·2H2O, Na2SO4·10H20 and Ca(NO3)2?
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03/18/19

What's the difference between the CSET math and CBEST math exams?
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